21271839 (number)

21271839 is an odd 8-digits composite number following 21271838 and preceding 21271840. In scientific notation, it is written as 2.1271839 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 14181224 positive integers (up to 21271839) that are relatively prime to 21271839.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred seventy-one thousand eight hundred thirty-nine

Notation

Scientific notation 2.1271839 × 10^7
Engineering notation 2.1271839 × 10^6

Prime Factorization of 21271839

Prime Factorization 3 × 7090613

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21271839
Product of the distinct prime numbers

The prime factorization of 21271839 is 3 × 7090613. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 10, 48, 82, 9, 933, 1547, 4976, 50672, 59506, 187138, 865036, 7235384, 3078881, 78345538, 13958657, 66584697, 448971451, 719851814, 7750304064

Basic calculations (n = 21271839)

Multiplication

n×y
n×2 42543678
n×3 63815517
n×4 85087356
n×5 106359195

Division

n÷y
n÷2 10635919.5
n÷3 7090613
n÷3 5317959.75
n÷5 4254367.8

Exponentiation

ny
n2 452491134441921
n3 9.6253185607759E+21
n4 2.0474822674854E+29
n5 4.3553713149304E+36

Nth Root

y√n
2√n 4612.1403924859
3√n 277.07776709316
4√n 67.912741017322
5√n 29.211980862946

Divisors of 21271839

1, 3, 7090613, 21271839

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21271838
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21271839 can be divided by 4 positive divisors. The sum of these divisors (counting 21271839) is 1, the average is 0.25.

Base conversion 21271839

Base System Value
2 Binary 1010001001001010100011111
3 Ternary 1111000201110220
4 Quaternary 1101021110133
5 Quinary 20421144324
6 Senary 2035532423
8 Octal 121112437
10 Decimal 21271839
12 Duodecimal 715a113
16 Hexadecimal 144951f
20 Vigesimal 6cijbj
36 Base36 cnxgf

Cryptographic Hash Functions

md5 6bc16914f8a63fbe507cc935ba38f715
sha1 fe2688a22a43d03698b8748231e142a9e49807b6
sha256 07330671ad41b8156f1e9e6f84555d7a3474bf6a9816a6fe4111d5372899f714
sha512 7f6fd30043a39c745db7f168e188e9e6d333fbe80a8bb0eb6a6cefde4eb27e35a9b6d30153d8bb95c3f76f051b9f974019f14b7911042e1ca1afef8473986ca3
ripemd-160 f3cb37eddfe0b17d221ac65c38345e9c94de91f2

21271839 as geometric shapes

Circle

Radius = n
Diameter 42543678
Circumference 133654906.26149
Area 1.4215428237773E+15

Sphere

Radius = n
Volume 4.0318440105327E+22
Surface area 5.686171295109E+15
Circumference 133654906.26149

Square

Length = n
Perimeter 85087356
Area 452491134441921
Diagonal 30082923.210417

Cube

Length = n
Surface area 2714946806651526
Volume 9.6253185607759E+21
Space diagonal 36843905.918425

Equilateral Triangle

Length = n
Perimeter 63815517
Area 1.9593440870697E+14
Altitude 18421952.959213

Triangular Pyramid

Length = n
Surface area 1.9593440870697E+14
Volume 1.1343546709009E+21
Height 10027641.070139